LB11870-TRM-E

Overview

The LB11870-TRM-E is a three-phase brushless motor driver manufactured by onsemi. It belongs to the LB11870 series and is designed for motion control applications. The device operates as a bipolar PWM controller with a power dissipation rating of 850 mW. It is supplied in a 48-HSSOP package and is classified under Motor / Motion / Ignition Controllers & Drivers. The component is moisture sensitive and complies with RoHS standards.

Feature Summary

• Three-phase brushless motor driving capability
• Bipolar PWM control interface
• Integrated motion control functionality

Applications

• Polygonal mirror motors
• Three-phase brushless motor systems
• Motion control units

Procurement Notes

Verify the specific suffix TRM-E to confirm tape and reel packaging and RoHS compliance status. Ensure design compatibility with the 48-HSSOP footprint and account for moisture sensitivity handling requirements during assembly. Cross-reference the datasheet for thermal management needs given the 850 mW dissipation limit.

Selection Notes

Select this component for designs requiring dedicated three-phase brushless motor control. Consider the 48-HSSOP package size constraints and the bipolar PWM input requirements. Evaluate the 850 mW power dissipation against the system's thermal budget to ensure reliable operation without excessive heat sinking.

Part Context

This part is part of the LB11870 series from onsemi, which focuses on motor and motion control solutions. It is distinct from related models like the LB11873, which is specifically optimized for polygonal mirror motors. The series provides integrated drivers for various brushless motor applications.

Replacement Considerations

Check for direct pin-compatible substitutes within the LB11870 series. Verify if alternative packages or updated revisions from onsemi offer equivalent electrical characteristics and thermal performance for the target application.